adjective. Refusing to give up or let go; persevering obstinately.

adjective. Insistently repetitive or continuous.

adjective. Existing or remaining in the same state for an indefinitely long time; enduring.

adjective. Lasting past maturity without falling off, as the calyx on an eggplant or the scales of a pine cone.

adjective. Retained permanently, rather than disappearing in an early stage of development.

Persisting or continuing in spite of opposition, warning, remonstrance, etc.; refusing to cease or give up some action, course, or pursuit; perservering: as, a persistent beggar; persistent attempts to do something.

That endures; enduring.

Specifically— In botany, continuing without withering: opposed to caducous, deciduous, or marcescent: as, a persistent calyx (one remaining after the corolla has withered).

In zoology, perennial; holding to morphological character, or continuing in functional activity; not degenerate, deciduous, or caducous, as a part or an organ: as, persistent types of structure; the persistent horns of cattle or gills of newts.

Repeated; continual.

adjective. Inclined to persist; having staying qualities; tenacious of position or purpose.

adjective. Remaining beyond the period when parts of the same kind sometimes fall off or are absorbed; permanent; ; -- opposed to deciduous, and caducous.

adjective. Obstinately refusing to give up or let go.

adjective. Insistently repetitive.

adjective. Indefinitely continuous.

adjective. Lasting past maturity without falling off.

adjective. About some data or data structures: existing after the execution of the program. Remaining in existence past the lifetime of the program that creates it.

adjective. Describing a fractal process that has a positive Brown function

adjective. non-transient.

adjective. retained; not shed

adjective. never-ceasing

adjective. stubbornly unyielding

adjective. continually recurring to the mind